'use strict';

const Controller = require('egg').Controller;
const {ObjectId} = require("mongodb")
class SubjectController extends Controller {

        async index() {
            const {ctx} = this
            // console.log(ctx.params);
            var {id} = ctx.params;
            try{
                var db = this.app.mongodb;
                var res = await db.collection("article").find({_id:ObjectId(id)}).toArray();
                console.log(res);
                ctx.body = {
                    status:200,
                    res
                }
            }catch(err){
                this.app.logger.error(err),
                // console.log(err);
                ctx.status = 400,
                ctx.body={
                    status:400,
                    msg:"输入的id值参数不合法"
                }
            }
           
          }
    }

  


module.exports = SubjectController;
